Siemens SINAMICS G120D Operating Instructions Manual page 330

Corrective maintenance
10.7 If the converter no longer responds
5. Repeat steps 2 and 3 as often as required until the converter outputs fault F01018.
6. Now set p0971 = 1.
7. Switch off the converter power supply.
8. Wait until all LEDs on the converter are dark. Then switch on the converter power supply
again.
The converter now powers up with the factory settings.
9. Recommission the converter.
You have restored the converter factory settings.
❒
The motor cannot be switched-on
If the motor cannot be switched-on, then check the following:
• Is a fault present?
If there is, then remove the fault cause and acknowledge the fault.
• Has the converter been completely commissioned p0010 = 0?
If not, the converter is e.g. still in a commissioning state.
• Is the converter reporting the "ready to start" status (r0052.0 = 1)?
• Is the converter missing some enable signals (r0046)?
• How does the converter receive its setpoint and commands?
Digital inputs, analog inputs or fieldbus?
328
Converter with the control units CU240D-2
Operating Instructions, 10/2020, FW V4.7 SP13, A5E34262100B AH